Table 3.
Surgical details and postoperative outcomes of patients with and without AKI
| All Patients (n=196) |
Non AKI (n=120) |
AKI (n=76) |
p-value | |
|---|---|---|---|---|
| Surgical detail | ||||
| Urgent operation, n (%) | 7 (3.6) | 4 (3.3) | 3 (3.9) | 0.821 |
| On pump-clamp time (minutes) | 112.9±3.3 | 108.4±3.6 | 119.9±6.3 | 0.117 |
| On pump-bypass time (minutes) | 166.5±4.4 | 156.3±4.7 | 182.5±8.5 | 0.008 |
| Concomitant procedures | ||||
| TV repair | 66 (33.7) | 30 (25.0) | 36 (47.4) | 0.001 |
| TV replacement | 5 (2.6) | 3 (2.5) | 2 (2.6) | 0.955 |
| Maze procedure | 77 (39.3) | 43 (35.8) | 34 (44.7) | 0.214 |
| Patient outcomes | ||||
| ICU stay (day) | 4.5±0.8 | 3.0±0.4 | 6.2±0.8 | 0.001 |
| Ventilator duration (hour) | 39.9±5.5 | 23.2±4.5 | 66.2±11.7 | 0.001 |
| AKI stage 1/2/3 | - | - | 45/18/13 | - |
| Renal replacement therapy n (%) | 6 (3.1) | - | 6 (7.9) | - |
| In hospital mortality n (%) | 10 (5.1) | 3 (2.5) | 7 (9.2) | 0.037 |
Abbreviation: AKI, acute kidney injury; ICU, intensive care unit; TV, tricuspid valve
Continuous variables are presented as mean ± standard error, and categorical variables, as number (percentage).